WASHINGTON — A study that an Ohio University postdoctoral student collaborated on finds that adolescent pregnancy was an issue even for the dinosaurs. The researchers report that a type of tissue present in modern birds when they’re developing eggs has turned up in three dinosaur fossils. The dinosaurs were ages 8, 10 and 18, indicating they reached sexual maturity earlier than previously thought. He worked with another Berkeley graduate student, Sarah Werning, who says knowing more about dinosaurs’ reproductive maturity opens up dinosaur research in other, related areas. read more

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